I continued my research a bit and I am wondering if unreal needs the content path to be able to build the scene? In the old plugin Twinmotion Content for Unreal Engine Plugin (Beta 4) I get under the Engine>plugins>TwinmotionToUnrealContent a folder with all assets and so on. This is not to be found when installing the Plugin for TM23. Is that correct?
Below the last part of the report
[2023.01.31-10.04.13:966][ 0]LogStall: Startup...
[2023.01.31-10.04.13:967][ 0]LogStall: Startup complete.
[2023.01.31-10.04.13:975][ 0]LogLoad: (Engine Initialization) Total time: 17.57 seconds
[2023.01.31-10.04.13:975][ 0]LogLoad: (Engine Initialization) Total Blueprint compile time: 0.00 seconds
[2023.01.31-10.04.14:037][ 0]AssetCheck: New page: Asset Save: P_Ambient_Dust
[2023.01.31-10.04.14:037][ 0]LogContentValidation: Display: Validating /Script/Engine.ParticleSystem /Game/StarterContent/Particles/P_Ambient_Dust.P_Ambient_Dust
[2023.01.31-10.04.14:043][ 0]LogNiagara: Compiling System NiagaraSystem /Game/VRTemplate/VFX/NS_MenuLaser.NS_MenuLaser took 0.917785 sec, no shader worker used.
[2023.01.31-10.04.14:046][ 0]LogNiagara: Compiling System NiagaraSystem /Game/VRTemplate/VFX/NS_PlayAreaBounds.NS_PlayAreaBounds took 0.914368 sec, no shader worker used.
[2023.01.31-10.04.14:049][ 0]LogNiagara: Compiling System NiagaraSystem /Game/VRTemplate/VFX/NS_TeleportRing.NS_TeleportRing took 0.912130 sec, no shader worker used.
[2023.01.31-10.04.14:058][ 0]LogResonanceAudio: Display: Resonance Audio Listener is initialized
[2023.01.31-10.04.14:059][ 0]LogContentStreaming: Texture pool size now 600 MB
[2023.01.31-10.04.14:244][ 1]LogAssetRegistry: Asset discovery search completed in 12.2237 seconds
[2023.01.31-10.04.14:260][ 1]LogCollectionManager: Fixed up redirectors for 0 collections in 0.000004 seconds (updated 0 objects)
[2023.01.31-10.04.14:396][ 1]LogSlate: Took 0.000277 seconds to synchronously load lazily loaded font '../../../Engine/Content/Slate/Fonts/Roboto-Regular.ttf' (155K)
[2023.01.31-10.04.24:728][144]LogSlate: Window 'Plugins' being destroyed
[2023.01.31-10.04.24:731][144]LogSlate: Window 'Plugins' being destroyed
[2023.01.31-10.04.24:731][144]LogDirectoryWatcher: A directory notification for '../../../Engine/Plugins/' was aborted.
[2023.01.31-10.09.55:572][568]LogUObjectHash: Compacting FUObjectHashTables data took 0.62ms
[2023.01.31-10.10.02:985][568]LogTurnkeySupport: Project requires temp target (OpenXR plugin is enabled)
[2023.01.31-10.10.02:985][568]LogLauncherProfile: Unable to use promoted target - ../../../../../../Users/olaf/Documents/Unreal Projects/Revit_Sample_Project/Binaries/Win64/UnrealGame.target does not exist.
[2023.01.31-10.10.03:055][568]LogMonitoredProcess: Running Serialized UAT: [ cmd.exe /c ""C:/Program Files/Epic Games/UE_5.1/Engine/Build/BatchFiles/RunUAT.bat" -ScriptsForProject="C:/Users/olaf/Documents/Unreal Projects/Revit_Sample_Project/Revit_Sample_Project.uproject" Turnkey -command=VerifySdk -platform=Win64 -UpdateIfNeeded -EditorIO -EditorIOPort=52981 -project="C:/Users/olaf/Documents/Unreal Projects/Revit_Sample_Project/Revit_Sample_Project.uproject" BuildCookRun -nop4 -utf8output -nocompileeditor -skipbuildeditor -cook -project="C:/Users/olaf/Documents/Unreal Projects/Revit_Sample_Project/Revit_Sample_Project.uproject" -unrealexe="C:\Program Files\Epic Games\UE_5.1\Engine\Binaries\Win64\UnrealEditor-Cmd.exe" -platform=Win64 -installed -stage -archive -package -build -pak -iostore -compressed -prereqs -archivedirectory="C:/Users/olaf/Desktop/Junk/Revit Sample" -clientconfig=Development" -nocompile -nocompileuat ]
[2023.01.31-10.10.03:129][571]UATHelper: Packaging (Windows): Running AutomationTool...
[2023.01.31-10.10.03:272][573]UATHelper: Packaging (Windows): Using bundled DotNet SDK version: 6.0.302
[2023.01.31-10.10.03:371][574]UATHelper: Packaging (Windows): Starting AutomationTool...
[2023.01.31-10.10.03:393][577]UATHelper: Packaging (Windows): Parsing command line: -ScriptsForProject="C:/Users/olaf/Documents/Unreal Projects/Revit_Sample_Project/Revit_Sample_Project.uproject" Turnkey -command=VerifySdk -platform=Win64 -UpdateIfNeeded -EditorIO -EditorIOPort=52981 -project="C:/Users/olaf/Documents/Unreal Projects/Revit_Sample_Project/Revit_Sample_Project.uproject" BuildCookRun -nop4 -utf8output -nocompileeditor -skipbuildeditor -cook -project="C:/Users/olaf/Documents/Unreal Projects/Revit_Sample_Project/Revit_Sample_Project.uproject" -unrealexe="C:\Program Files\Epic Games\UE_5.1\Engine\Binaries\Win64\UnrealEditor-Cmd.exe" -platform=Win64 -installed -stage -archive -package -build -pak -iostore -compressed -prereqs -archivedirectory="C:/Users/olaf/Desktop/Junk/Revit Sample" -clientconfig=Development -nocompile -nocompileuat
[2023.01.31-10.10.03:459][581]UATHelper: Packaging (Windows): Initializing script modules...
[2023.01.31-10.10.03:899][630]UATHelper: Packaging (Windows): Total script module initialization time: 0.44 s.
[2023.01.31-10.10.04:284][677]UATHelper: Packaging (Windows): Executing commands...
[2023.01.31-10.10.04:317][680]UATHelper: Packaging (Windows): Installed Sdk validity:
[2023.01.31-10.10.04:327][682]UATHelper: Packaging (Windows): Win64: (Status=Valid, MinAllowed_Sdk=10.0.00000.0, MaxAllowed_Sdk=10.9.99999.0, Current_Sdk=10.0.22621.0, Allowed_AutoSdk=10.0.18362.0, Current_AutoSdk=, Flags="InstalledSdk_ValidVersionExists")
[2023.01.31-10.10.04:327][682]UATHelper: Packaging (Windows): Scanning for envvar changes...
[2023.01.31-10.10.04:327][682]UATHelper: Packaging (Windows): ... done!
[2023.01.31-10.10.04:327][682]UATHelper: Packaging (Windows): Cleaning Temp Paths...
[2023.01.31-10.10.04:327][682]UATHelper: Packaging (Windows): BUILD SUCCESSFUL
[2023.01.31-10.10.04:327][682]UATHelper: Packaging (Windows): Setting up ProjectParams for C:\Users\olaf\Documents\Unreal Projects\Revit_Sample_Project\Revit_Sample_Project.uproject
[2023.01.31-10.10.05:472][819]UATHelper: Packaging (Windows): Revit_Sample_Project.uproject requires a temporary target.cs to be generated (OpenXR plugin is enabled)
[2023.01.31-10.10.06:924][993]UATHelper: Packaging (Windows): ********** BUILD COMMAND STARTED **********
[2023.01.31-10.10.06:935][995]UATHelper: Packaging (Windows): Running: C:\Program Files\Epic Games\UE_5.1\Engine\Binaries\ThirdParty\DotNet\6.0.302\windows\dotnet.exe "C:\Program Files\Epic Games\UE_5.1\Engine\Binaries\DotNET\UnrealBuildTool\UnrealBuildTool.dll" Revit_Sample_Project Win64 Development -Project="C:\Users\olaf\Documents\Unreal Projects\Revit_Sample_Project\Revit_Sample_Project.uproject" "C:\Users\olaf\Documents\Unreal Projects\Revit_Sample_Project\Revit_Sample_Project.uproject" -NoUBTMakefiles -remoteini="C:\Users\olaf\Documents\Unreal Projects\Revit_Sample_Project" -skipdeploy -Manifest="C:\Users\olaf\Documents\Unreal Projects\Revit_Sample_Project\Intermediate\Build\Manifest.xml" -NoHotReload -log="C:\Users\olaf\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.1\UBT-Revit_Sample_Project-Win64-Development.txt"
[2023.01.31-10.10.07:463][ 57]UATHelper: Packaging (Windows): Log file: C:\Users\olaf\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.1\UBT-Revit_Sample_Project-Win64-Development.txt
[2023.01.31-10.10.08:596][188]UATHelper: Packaging (Windows): Unable to find plugin 'TwinmotionToUnrealContent' (referenced via Revit_Sample_Project.uproject). Install it and try again, or remove it from the required plugin list.
[2023.01.31-10.10.08:618][190]UATHelper: Packaging (Windows): Took 1.6807611s to run dotnet.exe, ExitCode=6
[2023.01.31-10.10.08:618][190]UATHelper: Packaging (Windows): UnrealBuildTool failed. See log for more details. (C:\Users\olaf\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.1\UBT-Revit_Sample_Project-Win64-Development.txt)
[2023.01.31-10.10.08:640][193]UATHelper: Packaging (Windows): AutomationTool executed for 0h 0m 5s
[2023.01.31-10.10.08:640][193]UATHelper: Packaging (Windows): AutomationTool exiting with ExitCode=6 (6)
[2023.01.31-10.10.08:662][196]UATHelper: Packaging (Windows): BUILD FAILED
[2023.01.31-10.10.08:684][197]PackagingResults: Error: Unknown Error